#64B155
Closest named color: Dark Pastel Green (#56AE57). oklch(68.9% 0.149 140.4), rgb(100, 177, 85).
Aa
Black text reads best on this color (7.96:1).
About this color
#64B155 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.149 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.016 away. Black text reads best on it, at 7.96:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.96:1 |
| White text | 2.63:1 |
Values
| HEX | #64B155 |
| RGB | rgb(100, 177, 85) |
| HSL | hsl(110, 37%, 51%) |
| OKLCH | oklch(68.9% 0.149 140.4) |
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 #64B155 | 2.63:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #64B155 | 7.96:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #64B155 text on white | 2.63:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #64B155 text on black | 7.96:1 | AAA | Lc -50.7 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C7E2C2
oklch(88.4% 0.052 140.8)
-
Step 300
300
#A0D097
oklch(80.9% 0.093 140.6)
-
Step 400
400 (this color)
#64B155
oklch(68.9% 0.149 140.4)
-
Step 500
500
#39A320
oklch(63% 0.189 140.5)
-
Step 600
600
#248B00
oklch(55.7% 0.181 140.5)
-
Step 700
700
#1D7500
oklch(49.2% 0.16 140.4)
-
Step 800
800
#166000
oklch(42.8% 0.139 140.4)
-
Step 900
900
#115000
oklch(37.7% 0.122 140.4)
-
Step 950
950
#0C2F05
oklch(27% 0.079 140.4)
#64B155 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) | #B5A44D | 0.103 |
| Deuteranopia (no green cones) | #AA9D5B | 0.102 |
| Tritanopia (no blue cones) | #5DAC9C | 0.099 |
| Achromatopsia (no color) | #9F9F9F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B155
#64B155
oklch(68.9% 0.149 140.4)
- #C47AD3
#C47AD3
oklch(69% 0.149 320.7)
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 #64B155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.016
- Boring Green #63B365 ΔE 0.017
- Fern #63A950 ΔE 0.022
- Asparagus #77AB56 ΔE 0.025
- Turtle Green #75B84F ΔE 0.029
- Leaf #71AA34 ΔE 0.029
- Algae #54AC68 ΔE 0.032
- Cool Green #33B864 ΔE 0.034
Use #64B155 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.