#64C666
Closest named color: Soft Green (#6FC276). oklch(74.4% 0.162 144.1), rgb(100, 198, 102).
Aa
Black text reads best on this color (9.81:1).
About this color
#64C666 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.162 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.028 away. Black text reads best on it, at 9.81:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.81:1 |
| White text | 2.14:1 |
Values
| HEX | #64C666 |
| RGB | rgb(100, 198, 102) |
| HSL | hsl(121, 46%, 58%) |
| OKLCH | oklch(74.4% 0.162 144.1) |
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 #64C666 | 2.14:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #64C666 | 9.81:1 | AAA | Lc 62.2 | Content text, not long reading |
| #64C666 text on white | 2.14:1 | Fails | Lc 41.8 | Non-text elements, placeholder text |
| #64C666 text on black | 9.81:1 | AAA | Lc -60.5 | Content text, not long reading |
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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C3E3C2
oklch(88.4% 0.056 144.3)
-
Step 300
300
#98D297
oklch(80.9% 0.101 144.2)
-
Step 400
400 (this color)
#64C666
oklch(74.4% 0.162 144.1)
-
Step 500
500
#00A723
oklch(63.2% 0.204 144.1)
-
Step 600
600
#008C1C
oklch(55.6% 0.179 144.1)
-
Step 700
700
#007616
oklch(49.1% 0.159 144.1)
-
Step 800
800
#006110
oklch(42.8% 0.138 144.1)
-
Step 900
900
#00510C
oklch(37.8% 0.122 144.2)
-
Step 950
950
#013005
oklch(26.9% 0.085 144.1)
#64C666 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) | #C9B75E | 0.121 |
| Deuteranopia (no green cones) | #BCAE6D | 0.121 |
| Tritanopia (no blue cones) | #56C1AF | 0.101 |
| Achromatopsia (no color) | #B1B1B1 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C666
#64C666
oklch(74.4% 0.162 144.1)
- #DE86E5
#DE86E5
oklch(74.5% 0.161 324.4)
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 #64C666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.028
- Dark Mint #48C072 ΔE 0.032
- Turtle Green #75B84F ΔE 0.039
- Algae Green #21C36F ΔE 0.039
- Seaweed #18D17B ΔE 0.041
- Apple #6ECB3C ΔE 0.044
- Dark Mint Green #20C073 ΔE 0.046
- Greenblue #23C48B ΔE 0.054
Use #64C666 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.