#1F8E41
Closest named color: Kelley Green (#009337). oklch(56.9% 0.149 148.6), rgb(31, 142, 65).
Aa
Black text reads best on this color (5.00:1).
About this color
#1F8E41 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.149 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.022 away. Black text reads best on it, at 5.00:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #1F8E41 |
| RGB | rgb(31, 142, 65) |
| HSL | hsl(138, 64%, 34%) |
| OKLCH | oklch(56.9% 0.149 148.6) |
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 #1F8E41 | 4.19:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #1F8E41 | 5.00:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #1F8E41 text on white | 4.19:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #1F8E41 text on black | 5.00:1 | AA | Lc -33.2 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E0CC
oklch(88.4% 0.037 149.1)
-
Step 300
300
#A3CDA9
oklch(80.8% 0.067 148.9)
-
Step 400
400
#6FB37B
oklch(70.6% 0.107 148.7)
-
Step 500
500
#43A058
oklch(63.2% 0.138 148.5)
-
Step 600
600 (this color)
#1F8E41
oklch(56.9% 0.149 148.6)
-
Step 700
700
#03752F
oklch(49.1% 0.139 148.6)
-
Step 800
800
#0D5F28
oklch(42.6% 0.114 148.7)
-
Step 900
900
#174E25
oklch(37.7% 0.089 148.6)
-
Step 950
950
#0F2E16
oklch(27% 0.057 148.7)
#1F8E41 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) | #8F813A | 0.119 |
| Deuteranopia (no green cones) | #837847 | 0.119 |
| Tritanopia (no blue cones) | #008B7C | 0.085 |
| Achromatopsia (no color) | #7C7C7C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F8E41
#1F8E41
oklch(56.9% 0.149 148.6)
- #A552A2
#A552A2
oklch(56.9% 0.149 328.7)
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 #1F8E41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.022
- Forest Green #228B22 ΔE 0.028
- Sea Green #2E8B57 ΔE 0.034
- Emerald Green #028F1E ΔE 0.035
- Irish Green #019529 ΔE 0.036
- Fern Green #548D44 ΔE 0.040
- Jungle Green #048243 ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.045
Use #1F8E41 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.