#64BB91
Closest named color: Greeny Blue (#42B395). oklch(72.6% 0.105 161.2), rgb(100, 187, 145).
Aa
Black text reads best on this color (9.05:1).
About this color
#64BB91 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.105 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.038 away. Black text reads best on it, at 9.05:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #64BB91 |
| RGB | rgb(100, 187, 145) |
| HSL | hsl(151, 39%, 56%) |
| OKLCH | oklch(72.6% 0.105 161.2) |
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 #64BB91 | 2.31:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #64BB91 | 9.05:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #64BB91 text on white | 2.31:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #64BB91 text on black | 9.05:1 | AAA | Lc -56.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C5E1D1
oklch(88.5% 0.037 160.5)
-
Step 300
300
#9BCEB3
oklch(80.8% 0.065 161.4)
-
Step 400
400 (this color)
#64BB91
oklch(72.6% 0.105 161.2)
-
Step 500
500
#18A26E
oklch(63.1% 0.135 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#042F1D
oklch(27.1% 0.057 160.4)
#64BB91 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) | #B9B08F | 0.102 |
| Deuteranopia (no green cones) | #ACA694 | 0.099 |
| Tritanopia (no blue cones) | #4BBBAF | 0.044 |
| Achromatopsia (no color) | #AAAAAA | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BB91
#64BB91
oklch(72.6% 0.105 161.2)
- #D48CBA
#D48CBA
oklch(72.7% 0.105 341.3)
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 #64BB91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.038
- Faded Green #7BB274 ΔE 0.039
- Sage Green #88B378 ΔE 0.043
- Dark Sea Green #8FBC8F ΔE 0.044
- Greenblue #23C48B ΔE 0.046
- Green Blue #01C08D ΔE 0.046
- Tea #65AB7C ΔE 0.046
- Soft Green #6FC276 ΔE 0.046
Use #64BB91 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.