#55AE38
Closest named color: Grass (#5CAC2D). oklch(67.1% 0.176 139), rgb(85, 174, 56).
Aa
Black text reads best on this color (7.49:1).
About this color
#55AE38 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.176 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.008 away. Black text reads best on it, at 7.49:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #55AE38 |
| RGB | rgb(85, 174, 56) |
| HSL | hsl(105, 51%, 45%) |
| OKLCH | oklch(67.1% 0.176 139) |
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 #55AE38 | 2.80:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #55AE38 | 7.49:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #55AE38 text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #55AE38 text on black | 7.49:1 | AAA | Lc -48.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#DFEFDB
oklch(93.5% 0.032 139.4)
-
Step 200
200
#C5E4BD
oklch(88.6% 0.062 139.3)
-
Step 300
300
#9CD28D
oklch(80.9% 0.11 139)
-
Step 400
400 (this color)
#55AE38
oklch(67.1% 0.176 139)
-
Step 500
500
#3AA400
oklch(63.2% 0.2 139.1)
-
Step 600
600
#308A00
oklch(55.7% 0.176 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1E5F00
oklch(42.7% 0.135 139.1)
-
Step 900
900
#184F00
oklch(37.6% 0.119 139)
-
Step 950
950
#0B2F00
oklch(26.9% 0.085 139)
#55AE38 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) | #B39F28 | 0.117 |
| Deuteranopia (no green cones) | #A79843 | 0.116 |
| Tritanopia (no blue cones) | #4DA896 | 0.121 |
| Achromatopsia (no color) | #9A9A9A | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AE38
#55AE38
oklch(67.1% 0.176 139)
- #C36DD9
#C36DD9
oklch(67.2% 0.176 319.2)
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 #55AE38, closest first.
No curated palette has a color within ΔE 0.04 of #55AE38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.008
- Medium Green #39AD48 ΔE 0.022
- Leaf Green #5CA904 ΔE 0.023
- Leafy Green #51B73B ΔE 0.025
- Leaf #71AA34 ΔE 0.027
- Mid Green #50A747 ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.030
- Fern #63A950 ΔE 0.034
Use #55AE38 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.