#5CA666
Closest named color: Algae (#54AC68). oklch(66% 0.12 147.1), rgb(92, 166, 102).
Aa
Black text reads best on this color (7.10:1).
About this color
#5CA666 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.120 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.017 away. Black text reads best on it, at 7.10:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #5CA666 |
| RGB | rgb(92, 166, 102) |
| HSL | hsl(128, 29%, 51%) |
| OKLCH | oklch(66% 0.12 147.1) |
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 #5CA666 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #5CA666 | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #5CA666 text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #5CA666 text on black | 7.10:1 | AAA | Lc -45.9 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCD
oklch(88.4% 0.032 146.8)
-
Step 300
300
#A8CBAB
oklch(80.8% 0.058 147.3)
-
Step 400
400
#78B17E
oklch(70.7% 0.095 147.1)
-
Step 500
500 (this color)
#5CA666
oklch(66% 0.12 147.1)
-
Step 600
600
#348743
oklch(55.6% 0.13 147.1)
-
Step 700
700
#257235
oklch(49% 0.12 147.3)
-
Step 800
800
#215D2C
oklch(42.6% 0.1 147.1)
-
Step 900
900
#214D28
oklch(37.8% 0.079 147.2)
-
Step 950
950
#142D18
oklch(27% 0.05 147.7)
#5CA666 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) | #A89A62 | 0.097 |
| Deuteranopia (no green cones) | #9D936A | 0.095 |
| Tritanopia (no blue cones) | #51A396 | 0.070 |
| Achromatopsia (no color) | #969696 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5CA666
#5CA666
oklch(66% 0.12 147.1)
- #B977B8
#B977B8
oklch(66.1% 0.119 327.3)
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 #5CA666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.017
- Off Green #6BA353 ΔE 0.023
- Dull Green #74A662 ΔE 0.024
- Muted Green #5FA052 ΔE 0.025
- Fern #63A950 ΔE 0.030
- Seaweed Green #35AD6B ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Tea #65AB7C ΔE 0.032
Use #5CA666 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.