#018B43
Closest named color: Jungle Green (#048243). oklch(55.7% 0.149 151.2), rgb(1, 139, 67).
Aa
Black text reads best on this color (4.77:1).
About this color
#018B43 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.149 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.028 away. Black text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #018B43 |
| RGB | rgb(1, 139, 67) |
| HSL | hsl(149, 99%, 27%) |
| OKLCH | oklch(55.7% 0.149 151.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #018B43 | 4.39:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #018B43 | 4.77:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #018B43 text on white | 4.39:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #018B43 text on black | 4.77:1 | AA | Lc -31.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A1CEAB
oklch(81% 0.068 151.4)
-
Step 400
400
#6BB47E
oklch(70.7% 0.108 151.2)
-
Step 500
500
#3CA05D
oklch(63% 0.137 151.2)
-
Step 600
600 (this color)
#018B43
oklch(55.7% 0.149 151.2)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#114E28
oklch(37.6% 0.089 151.6)
-
Step 950
950
#0D2E18
oklch(27% 0.056 151.7)
#018B43 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8C7E3D | 0.125 |
| Deuteranopia (no green cones) | #7E7548 | 0.122 |
| Tritanopia (no blue cones) | #00897A | 0.080 |
| Achromatopsia (no color) | #787878 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018B43
#018B43
oklch(55.7% 0.149 151.2)
- #A34E9B
#A34E9B
oklch(55.7% 0.148 331)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #018B43, closest first.
No curated palette has a color within ΔE 0.04 of #018B43.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.028
- Forest Green #228B22 ΔE 0.030
- Kelley Green #009337 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.033
- Emerald Green #028F1E ΔE 0.039
- Irish Green #019529 ΔE 0.045
- Tree Green #2A7E19 ΔE 0.045
- Dark Grass Green #388004 ΔE 0.047
Use #018B43 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.