#EFF09F
Closest named color: Light Khaki (#E6F2A2). oklch(93.6% 0.102 108.8), rgb(239, 240, 159).
Aa
Black text reads best on this color (17.63:1).
About this color
#EFF09F is a very light, moderately saturated yellow. In OKLCH its lightness is 94%, its chroma 0.102 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Light Khaki (#E6F2A2), ΔE 0.012 away. Black text reads best on it, at 17.63:1.
| Hue family | Yellows |
| Lightness | very light (94%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Light Khaki (#E6F2A2) |
| Black text | 17.63:1 |
| White text | 1.19:1 |
Values
| HEX | #EFF09F |
| RGB | rgb(239, 240, 159) |
| HSL | hsl(61, 73%, 78%) |
| OKLCH | oklch(93.6% 0.102 108.8) |
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 #EFF09F | 1.19:1 | Fails | Lc -10.8 | Not readable |
| Black text on #EFF09F | 17.63:1 | AAA | Lc 94.3 | Preferred for body text |
| #EFF09F text on white | 1.19:1 | Fails | Lc 9.2 | Not readable |
| #EFF09F text on black | 17.63:1 | AAA | Lc -95.0 | Preferred for body 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 100.
-
Step 50
50
#F6F7E9
oklch(97.2% 0.018 110.1)
-
Step 100
100 (this color)
#EFF09F
oklch(93.6% 0.102 108.8)
-
Step 200
200
#DCDEA6
oklch(88.5% 0.073 109.5)
-
Step 300
300
#C8C75B
oklch(80.9% 0.131 108.5)
-
Step 400
400
#A9A700
oklch(70.7% 0.153 108.9)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#454400
oklch(37.5% 0.081 108.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#EFF09F 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) | #FCE999 | 0.022 |
| Deuteranopia (no green cones) | #FEEDA2 | 0.022 |
| Tritanopia (no blue cones) | #FAE6DB | 0.091 |
| Achromatopsia (no color) | #EBEBEB | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFF09F
#EFF09F
oklch(93.6% 0.102 108.8)
- #E8E7FF
#E8E7FF
oklch(93.6% 0.032 287.7)
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 #EFF09F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Khaki #E6F2A2 ΔE 0.012
- Dark Cream #FFF39A ΔE 0.024
- Light Tan #FBEEAC ΔE 0.025
- Buff #FEF69E ΔE 0.027
- Khaki #F0E68C ΔE 0.027
- Pale Goldenrod #EEE8AA ΔE 0.028
- Parchment #FEFCAF ΔE 0.039
- Pale Peach #FFE5AD ΔE 0.044
Use #EFF09F 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.