#669E78
Closest named color: Greeny Grey (#7EA07A). oklch(65% 0.082 153.9), rgb(102, 158, 120).
Aa
Black text reads best on this color (6.72:1).
About this color
#669E78 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.082 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Grey (#7EA07A), ΔE 0.030 away. Black text reads best on it, at 6.72:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Greeny Grey (#7EA07A) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #669E78 |
| RGB | rgb(102, 158, 120) |
| HSL | hsl(139, 22%, 51%) |
| OKLCH | oklch(65% 0.082 153.9) |
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 #669E78 | 3.12:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #669E78 | 6.72:1 | AA | Lc 45.9 | Large or bold text, headings |
| #669E78 text on white | 3.12:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #669E78 text on black | 6.72:1 | AA | Lc -43.6 | Non-text elements, placeholder text |
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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED2
oklch(88.5% 0.024 153.4)
-
Step 300
300
#ADC9B5
oklch(80.9% 0.041 154.3)
-
Step 400
400
#82AD8E
oklch(70.8% 0.065 153.2)
-
Step 500
500 (this color)
#669E78
oklch(65% 0.082 153.9)
-
Step 600
600
#45835B
oklch(55.7% 0.09 154)
-
Step 700
700
#376E4B
oklch(49% 0.082 154.2)
-
Step 800
800
#2E5A3D
oklch(42.7% 0.069 153.5)
-
Step 900
900
#2A4A34
oklch(37.7% 0.054 153.2)
-
Step 950
950
#192B1F
oklch(26.9% 0.033 154.5)
#669E78 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) | #9E9576 | 0.074 |
| Deuteranopia (no green cones) | #958F7A | 0.072 |
| Tritanopia (no blue cones) | #5C9D94 | 0.042 |
| Achromatopsia (no color) | #929292 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669E78
#669E78
oklch(65% 0.082 153.9)
- #AE7CA4
#AE7CA4
oklch(64.9% 0.082 333.8)
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 #669E78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Grey #7EA07A ΔE 0.030
- Grey Teal #5E9B8A ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.033
- Green Grey #77926F ΔE 0.036
- Tea #65AB7C ΔE 0.037
- Moss #769958 ΔE 0.040
- Dusty Green #76A973 ΔE 0.041
- Grey Green #86A17D ΔE 0.041
Use #669E78 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.