#4B8D18
Closest named color: Sap Green (#5C8B15). oklch(57.7% 0.159 135.4), rgb(75, 141, 24).
Aa
Black text reads best on this color (5.12:1).
About this color
#4B8D18 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.159 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.018 away. Black text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #4B8D18 |
| RGB | rgb(75, 141, 24) |
| HSL | hsl(94, 71%, 32%) |
| OKLCH | oklch(57.7% 0.159 135.4) |
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 #4B8D18 | 4.09:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #4B8D18 | 5.12:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #4B8D18 text on white | 4.09:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #4B8D18 text on black | 5.12:1 | AA | Lc -33.8 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEE0C6
oklch(88.6% 0.04 135.9)
-
Step 300
300
#ADCC9D
oklch(81% 0.072 135.1)
-
Step 400
400
#80B167
oklch(70.8% 0.115 135.7)
-
Step 500
500
#5F9C3A
oklch(63% 0.146 135.5)
-
Step 600
600 (this color)
#4B8D18
oklch(57.7% 0.159 135.4)
-
Step 700
700
#377100
oklch(49% 0.144 135.4)
-
Step 800
800
#2D5D05
oklch(42.8% 0.123 135.6)
-
Step 900
900
#294C11
oklch(37.6% 0.095 135.3)
-
Step 950
950
#182D0C
oklch(27% 0.061 135.8)
#4B8D18 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) | #928100 | 0.095 |
| Deuteranopia (no green cones) | #8A7B26 | 0.097 |
| Tritanopia (no blue cones) | #498778 | 0.116 |
| Achromatopsia (no color) | #7D7D7D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B8D18
#4B8D18
oklch(57.7% 0.159 135.4)
- #9C57B8
#9C57B8
oklch(57.6% 0.158 315.3)
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 #4B8D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.018
- Forest Green #228B22 ΔE 0.031
- Mossy Green #638B27 ΔE 0.031
- Kelley Green #009337 ΔE 0.036
- Emerald Green #028F1E ΔE 0.037
- Irish Green #019529 ΔE 0.037
- Olive Drab #6B8E23 ΔE 0.039
- Fern Green #548D44 ΔE 0.040
Use #4B8D18 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.